Quasi-in-situ gas reaction device of general transmission electron microscope sample rod

Abstract

The utility model discloses a quasi-in-situ gas reaction device of a general transmission electron microscope sample rod, and relates to the technical field of gas reaction. The device comprises a reaction device, wherein the reaction device comprises a device sleeve. The motor drives the rotating rod to rotate, so that the rotating rod drives the rotating disc to rotate, the rotating disc drives the short rod A to do circular motion, the short rod A drives the gear A to do circular motion, the gear A rotates through the fluted disc, and the gear A drives the short rod A to rotate; a short rod A drives a gear B to rotate, so that the gear B drives a gear C to rotate, the gear C drives a short rod B to rotate, the short rod B drives a connecting plate to rotate, the connecting plate drives a long rod to perform circular motion, and the long rod drives stirring blades to perform circular motion; the effect of carrying out stirring reaction on the gas is achieved, the gas is sufficient and active, and the reaction speed is high.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of gas reaction technology, especially relate to a general transmission electron microscope sample rod's quasi in situ gas reaction device. BACKGROUND

[0002] Transmission electron microscope (TEM) becomes the powerful characterization tool of chemical, material and biological disciplines because of its ultra-high time and space resolution. In situ transmission electron microscope technology is to observe the structural change of material in real time under the condition of loading external field, can realize dynamic observation under atomic scale, is the powerful means of analyzing reaction mechanism and researching material structure-effect relationship. Heterogeneous catalytic reaction plays a key role in the generation, conversion and storage of clean and sustainable energy, and the core of realizing efficient catalytic reaction lies in the design of high-activity, high-stability and high-selectivity catalyst. The dynamic structural change caused by the interaction between reactant gas molecules and catalyst surface atoms is a key process in heterogeneous catalysis research, and the observation of this key process by in situ electron microscope is of great significance to understand the structure-effect relationship of catalyst.

[0003] According to a general transmission electron microscope sample rod's quasi in situ gas reaction device (publicity number: CN221485255U), including atmosphere seat, the atmosphere seat is arranged with atmosphere chamber, the atmosphere chamber is the straight column cavity of axis along before and after extension, the front end of atmosphere chamber is blocked, the rear end is equipped with the insertion port for electron microscope sample rod insertion, the diameter of atmosphere chamber and electron microscope sample rod's outer diameter are matched to make both sealed assembly, the front end of atmosphere chamber is equipped with vacuum suction port, experimental gas inlet, waste gas recovery port, the rear end of atmosphere seat is equipped with locking structure for locking with electron microscope sample rod to limit electron microscope sample rod's sample end in atmosphere chamber. Can effectively reduce the volume of atmosphere chamber, effectively concentrate gas in the sample area of sample rod front end. The atmosphere chamber of the device is small, the safety is higher, the universality is high, is suitable for various commercial transmission electron microscope sample rods, the expansibility is strong, satisfies different experimental requirements, but in the above-mentioned device, through the cooperation of atmosphere seat and atmosphere chamber and other components, it is difficult to realize the effect of stirring reaction of gas, leading to the gas is not active enough, the reaction is slow, therefore, we put forward a kind of general transmission electron microscope sample rod's quasi in situ gas reaction device specially used for improving gas activity. UTILITY MODEL CONTENT

[0004] The purpose of the present utility model is to provide a quasi-in-situ gas reaction device for a general transmission electron microscope sample rod. By driving a rotating rod to rotate through a motor, the rotating rod drives a turntable to rotate, and then the turntable drives a short rod A to perform a circular motion, so that the short rod A drives a gear A to perform a circular motion, and then the gear A rotates through a toothed disk, so that the gear A drives the short rod A to rotate, and then the short rod A drives a gear B to rotate, so that the gear B drives a gear C to rotate, and then the gear C drives a short rod B to rotate, so that the short rod B drives a connecting plate to rotate, and then the connecting plate drives a long rod to perform a circular motion, so that the long rod drives a stirring blade to perform a circular motion, solving the existing problems.

[0005] To solve the above technical problems, the present utility model is realized through the following technical solutions:

[0006] The present utility model is a quasi-in-situ gas reaction device for a general transmission electron microscope sample rod, including a reaction device. The reaction device includes a device sleeve, a top cover is provided at the top of the device sleeve, a handle is fixedly connected to the top of the top cover, and an anti-slip pad is fixedly sleeved on the outer surface of the handle;

[0007] A stirring device is arranged inside the reaction device. The stirring device includes a motor. One end of the motor far from the output shaft is fixedly connected to the bottom of the top cover. The output shaft of the motor is fixedly connected to a rotating rod. One end of the rotating rod far from the motor penetrates through a toothed disk and is rotatably connected to the toothed disk. A limiting plate is fixedly connected to one side of the motor close to the output shaft. One end of the rotating rod far from the motor penetrates through a turntable and is fixedly connected to the turntable. A short rod A is fixedly penetrated through the top of the turntable and is rotatably connected to the short rod A. One end of the short rod A close to the turntable penetrates through a gear A and is fixedly connected to the gear A. One end of the short rod A far from the turntable penetrates through a gear B and is fixedly connected to the gear B. A short rod B is rotatably connected to the bottom of the turntable. One end of the short rod B far from the turntable penetrates through a gear C and is fixedly connected to the gear C. One end of the short rod B far from the turntable penetrates through a connecting plate and is fixedly connected to the connecting plate. One end of the connecting plate far from the short rod B penetrates through a long rod and is rotatably connected to the long rod. Stirring blades are fixedly connected to the circumferential surface of the long rod.

[0008] Furthermore, the shape of the handle is U-shaped. The top of the device sleeve contacts the bottom of the top cover. The anti-slip pad is made of rubber material. The above design is beneficial to prevent the staff from slipping during operation through the rubber anti-slip pad.

[0009] Furthermore, the number of the limiting plates is two and they are symmetric with respect to the vertical central axis of the motor. The shape of the turntable is "human" shaped. The gear A meshes with the toothed disk. The above design is beneficial to the rotation of the gear A through the toothed disk.

[0010] Further, the gear B is engaged with the gear C, the number of the long rods is three, and the long rods are arranged in a circumferential array below the toothed disc, and the above design is beneficial to rotating the gear C by the gear B.

[0011] Further, the number of the stirring blades is several, three in a group, and the stirring blades are arranged in a circumferential array on the circumferential surface of the long rod, the number of the connecting plates is three, and the connecting plates are arranged in a circumferential array below the rotating disc, and the above design is beneficial to agitating the gas in the inner part of the stirring blade device set.

[0012] Further, the number of the gear A is three, and the gear A is arranged in a circumferential array on the circumferential surface of the toothed disc, the number of the gear B is three, and the gear B is arranged in a circumferential array below the rotating disc, and the above design is beneficial to linkage between parts.

[0013] The utility model has the following beneficial effects:

[0014] 1. The utility model discloses a motor drives the rotating rod to rotate the force and toothed disc, limit board and short pole A etc.

[0015] Of course, it is not necessary for any product embodying the utility model to achieve all the advantages mentioned above. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be needed to use the drawing of the embodiment to introduce briefly, obviously, the drawing in the following description only is some embodiments of the utility model, for the ordinary skilled person in the art, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0017] Figure 1 It is three-dimensional appearance structure schematic diagram of the utility model;

[0018] Figure 2 It is three-dimensional structure schematic diagram of the utility model's top cover cut;

[0019] Figure 3The three-dimensional structure schematic view at the motor of the utility model;

[0020] Figure 4 The three-dimensional structure schematic view at the turntable of the utility model.

[0021] In the drawings, the components represented by each reference numeral are listed as follows:

[0022] 1, reaction device; 101, device cover; 102, top cover; 103, handle; 104, non-slip pad; 2, stirring device; 201, motor; 202, rotating rod; 203, toothed disc; 204, limiting plate; 205, short rod A; 206, gear A; 207, turntable; 208, gear B; 209, gear C; 210, connecting plate; 211, long rod; 212, stirring blade; 213, short rod B. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Please refer to Figures 1-4 The utility model discloses a kind of quasi-in-situ gas reaction devices of general transmission electron microscope sample rod, including reaction device 1, reaction device 1 includes device cover 101, device cover 101 top is provided with top cover 102, top cover 102 top is fixedly connected with handle 103, handle 103 outer surface is fixedly sleeved with non-slip pad 104 on it;

[0025] Inside the reaction device 1, a stirring device 2 is provided. The stirring device 2 includes a motor 201. One end of the motor 201 away from the output shaft is fixedly connected to the bottom of the top cover. The output shaft of the motor 201 is fixedly connected to a rotating rod 202. One end of the rotating rod 202 away from the motor 201 penetrates through a gear disk 203 and is rotatably connected to the gear disk 203. On one side of the motor 201 close to the output shaft, a limiting plate 204 is fixedly connected. One end of the rotating rod 202 away from the motor 201 penetrates through a turntable 207 and is fixedly connected to the turntable 207. A short rod A 205 is fixedly penetrated through the top of the turntable 207 and is rotatably connected to the short rod A 205. One end of the short rod A 205 close to the turntable 207 penetrates through a gear A 206 and is fixedly connected to the gear A 206. One end of the short rod A 205 away from the turntable 207 penetrates through a gear B 208 and is fixedly connected to the gear B 208. A short rod B 213 is rotatably connected to the bottom of the turntable 207. One end of the short rod B 213 away from the turntable 207 penetrates through a gear C 209 and is fixedly connected to the gear C 209. One end of the short rod B 213 away from the turntable 207 penetrates through a connecting plate 210 and is fixedly connected to the connecting plate 210. One end of the connecting plate 210 away from the short rod B 213 penetrates through a long rod 211 and is rotatably connected to the long rod 211. On the circumferential surface of the long rod 211, stirring blades 212 are fixedly connected.

[0026] The shape of the handle 103 is U-shaped. The top of the device sleeve 101 contacts the bottom of the top cover 102. The anti-slip pad 104 is made of rubber material. The above design is beneficial in that through the anti-slip pad 104 made of rubber material, it can prevent the staff from slipping during operation.

[0027] The number of the limiting plates 204 is two, and they are symmetric with each other along the vertical central axis of the motor 201. The shape of the turntable 207 is "human" shaped. The gear A 206 meshes with the gear disk 203. The above design is beneficial in that the gear A 206 rotates through the gear disk 203.

[0028] The gear B 208 meshes with the gear C 209. The number of the long rods 211 is three, and they are arranged in a circumferential array below the gear disk 203. The above design is beneficial in that the gear B 208 drives the gear C 209 to rotate.

[0029] The number of the stirring blades 212 is several, in groups of three, and they are arranged in a circumferential array on the circumferential surface of the long rod 211. The number of the connecting plates 210 is three, and they are arranged in a circumferential array below the turntable 207. The above design is beneficial in that the stirring blades 212 stir the gas inside the device sleeve 101 to make it active. <了

[0030] The number of the gears A 205 is three, and they are arranged in a circumferential array on the circumferential surface of the gear disk 203. The number of the gears B 208 is three, and they are arranged in a circumferential array below the turntable 207. The above design is beneficial for the linkage between parts.

[0031] One specific application of the embodiment is that the application drives the rotating rod 202 to rotate through the motor 201, so that the rotating rod 202 drives the rotating disc 207 to rotate, and then the rotating disc 207 drives the short rod A 205 to move in a circle, so that the short rod A 205 drives the gear A 206 to move in a circle, and then the gear A 206 drives the short rod A 205 to rotate through the toothed disc 203, so that the gear A 206 drives the short rod A 205 to rotate, and then the short rod A 205 drives the gear B 208 to rotate, so that the gear B 208 drives the gear C 209 to rotate, and then the gear C 209 drives the short rod B 213 to rotate, so that the short rod B 213 drives the connecting plate 210 to rotate, and then the connecting plate 210 drives the long rod 211 to move in a circle, so that the long rod 211 drives the stirring blade 212 to move in a circle, and the effect of stirring reaction of the gas is achieved, so that the gas is fully active and the reaction speed is fast.

[0032] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0033] The preferred embodiments of the above disclosed application are only used to help explain the application. The preferred embodiments do not describe all the details, nor limit the application to the specific embodiments described. Obviously, according to the content of the present specification, many modifications and changes can be made. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the application, so that the skilled in the art can well understand and utilize the application. The application is limited by the claims and their entire scope and equivalents.

Claims

1. A quasi in-situ gas reaction device for a universal transmission electron microscope sample holder, comprising a reaction device (1), characterized in that: The reaction device (1) includes a device cover (101), the top of the device cover (101) is provided with a top cover (102), the top cover (102) is fixedly connected with a handle (103) on the top, and the outer surface of the handle (103) is fixedly sleeved with a non-slip pad (104). The reaction device (1) is internally provided with a stirring device (2), the stirring device (2) includes a motor (201), one end of the motor (201) away from the output shaft is fixedly connected with the bottom of the top cover, the output shaft of the motor (201) is fixedly connected with a rotating rod (202), one end of the rotating rod (202) away from the motor (201) penetrates a gear disc (203), and is rotatably connected with the gear disc (203), one side of the motor (201) close to the output shaft is fixedly connected with a limiting plate (204), one end of the rotating rod (202) away from the motor (201) penetrates a rotating disc (207), and is fixedly connected with the rotating disc (207), the top of the rotating disc (207) is fixedly penetrated with a short rod A (205), and is rotatably connected with the short rod A (205), one end of the short rod A (205) close to the rotating disc (207) penetrates a gear A (206), and is fixedly connected with the gear A (206), one end of the short rod A (205) away from the rotating disc (207) penetrates a gear B (208), and is fixedly connected with the gear B (208), the bottom of the rotating disc (207) is rotatably connected with a short rod B (213), one end of the short rod B (213) away from the rotating disc (207) penetrates a gear C (209), and is fixedly connected with the gear C (209), one end of the short rod B (213) away from the rotating disc (207) penetrates a connecting plate (210), and is fixedly connected with the connecting plate (210), one end of the connecting plate (210) away from the short rod B (213) penetrates a long rod (211), and is rotatably connected with the long rod (211), the circumferential surface of the long rod (211) is fixedly connected with a stirring blade (212).

2. A quasi in-situ gas reaction device for a universal transmission electron microscope sample rod according to claim 1, wherein, The handle (103) is in the shape of U, the top of the device cover (101) and the bottom of the top cover (102) are in contact with each other, and the material of the non-slip pad (104) is rubber material.

3. A quasi in-situ gas reaction device for a universal transmission electron microscope sample rod according to claim 2, wherein, The number of the limiting plates (204) is two, and they are mutually symmetrical along the vertical central axis of the motor (201), the shape of the rotating disc (207) is "person" shape, and the gear A (206) and the gear disc (203) are in meshing engagement.

4. The quasi in-situ gas reaction device for a universal transmission electron microscope sample stick according to claim 3, characterized in that, The gear B (208) and the gear C (209) are in meshing engagement, and the number of the long rods (211) is three, and they are arranged in an array along the circumference below the gear disc (203).

5. A quasi in-situ gas reaction device for a universal transmission electron microscope sample rod according to claim 4, wherein, The number of the stirring blades (212) is several, three in a group, and they are arranged in an array along the circumference on the circumferential surface of the long rod (211), and the number of the connecting plates (210) is three, and they are arranged in an array along the circumference below the rotating disc (207).

6. A quasi in-situ gas reaction device for a universal transmission electron microscope sample rod according to claim 5, wherein, The number of the gear A (206) is three, and they are arranged in an array along the circumference on the circumferential surface of the gear disc (203), and the number of the gear B (208) is three, and they are arranged in an array along the circumference below the rotating disc (207).

Images